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PET imaging is an invaluable tool in clinical settings as it captures the functional activity of both healthy anatomy and cancerous lesions. Developing automatic lesion segmentation methods for PET images is crucial since manual lesion…

Image and Video Processing · Electrical Eng. & Systems 2024-11-05 Tanya Gatsak , Kumar Abhishek , Hanene Ben Yedder , Saeid Asgari Taghanaki , Ghassan Hamarneh

Understanding structure-property relationships in complex materials requires integrating complementary measurements across multiple length scales. Here we propose an interpretable "multimodal" machine learning framework that unifies…

Materials Science · Physics 2026-02-03 Shun Muroga , Hideaki Nakajima , Taiyo Shimizu , Kazufumi Kobashi , Kenji Hata

In parallel magnetic resonance imaging (pMRI), to find a joint solution for the image and coil sensitivity functions is a nonlinear and nonconvex problem. A class of algorithms reconstruct sensitivity encoded images of the coils first…

Medical Physics · Physics 2014-08-05 Cishen Zhang , Ifat-Al Baqee

Learning meaningful and interpretable representations from high-dimensional volumetric magnetic resonance (MR) images is essential for advancing personalized medicine. While Vision Transformers (ViTs) have shown promise in handling image…

Computer Vision and Pattern Recognition · Computer Science 2024-09-13 Qingqiao Hu , Daoan Zhang , Jiebo Luo , Zhenyu Gong , Benedikt Wiestler , Jianguo Zhang , Hongwei Bran Li

Magnetic Resonance Imaging (MRI) is a widely used imaging technique to assess brain tumor. Accurately segmenting brain tumor from MR images is the key to clinical diagnostics and treatment planning. In addition, multi-modal MR images can…

Image and Video Processing · Electrical Eng. & Systems 2021-04-21 Tongxue Zhou , Stéphane Canu , Pierre Vera , Su Ruan

Multi-contrast MRI sequences allow for the acquisition of images with varying tissue contrast within a single scan. The resulting multi-contrast images can be used to extract quantitative information on tissue microstructure. To make such…

Image and Video Processing · Electrical Eng. & Systems 2025-09-08 Natascha Niessen , Carolin M. Pirkl , Ana Beatriz Solana , Hannah Eichhorn , Veronika Spieker , Wenqi Huang , Tim Sprenger , Marion I. Menzel , Julia A. Schnabel

Images from Positron Emission Tomography (PET) deliver functional data such as perfusion and metabolism. On the other hand, images from Magnetic Resonance Imaging (MRI) provide information describing anatomical structures. Fusing the…

Image and Video Processing · Electrical Eng. & Systems 2018-06-19 Hiliwi Leake Kidane , Stephanie Bricq , Alain Lalande

Learning multimodal representations from medical images and other data sources can provide richer information for decision-making. While various multimodal models have been developed for this, they overlook learning features that are both…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Boyu Chen , Weiye Bao , Junjie Liu , Michael Shen , Bo Peng , Paul Taylor , Zhu Li , Mengyue Yang

The key to dynamic or multi-contrast magnetic resonance imaging (MRI) reconstruction lies in exploring inter-frame or inter-contrast information. Currently, the unrolled model, an approach combining iterative MRI reconstruction steps with…

Image and Video Processing · Electrical Eng. & Systems 2023-09-26 Bingyu Xin , Meng Ye , Leon Axel , Dimitris N. Metaxas

Major pathological response (pR) following neoadjuvant therapy is a clinically meaningful endpoint in non-small cell lung cancer, strongly associated with improved survival. However, accurate preoperative prediction of pR remains…

Typically, a medical image offers spatial information on the anatomy (and pathology) modulated by imaging specific characteristics. Many imaging modalities including Magnetic Resonance Imaging (MRI) and Computed Tomography (CT) can be…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Agisilaos Chartsias , Thomas Joyce , Giorgos Papanastasiou , Michelle Williams , David Newby , Rohan Dharmakumar , Sotirios A. Tsaftaris

Recent studies have shown that multi-modeling methods can provide new insights into the analysis of brain components that are not possible when each modality is acquired separately. The joint representations of different modalities is a…

Neurons and Cognition · Quantitative Biology 2022-01-24 Jalal Mirakhorli

The extent to which different biological and artificial neural systems rely on equivalent internal representations to support similar tasks remains a central question in neuroscience and machine learning. Prior work typically compares…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Jialin Wu , Shreya Saha , Yiqing Bo , Meenakshi Khosla

Accurate extraction of molecular representations is a critical step in the drug discovery process. In recent years, significant progress has been made in molecular representation learning methods, among which multi-modal molecular…

Machine Learning · Computer Science 2025-05-13 Rong Yin , Ruyue Liu , Xiaoshuai Hao , Xingrui Zhou , Yong Liu , Can Ma , Weiping Wang

Multi-contrast super-resolution (MCSR) is crucial for enhancing MRI but current deep learning methods are limited. They typically require large, paired low- and high-resolution (LR/HR) training datasets, which are scarce, and are trained…

Computer Vision and Pattern Recognition · Computer Science 2026-01-26 Yinzhe Wu , Hongyu Rui , Fanwen Wang , Jiahao Huang , Zhenxuan Zhang , Haosen Zhang , Zi Wang , Guang Yang

Multimodal image registration (MIR) is a fundamental procedure in many image-guided therapies. Recently, unsupervised learning-based methods have demonstrated promising performance over accuracy and efficiency in deformable image…

Computer Vision and Pattern Recognition · Computer Science 2020-11-13 Zhe Xu , Jiangpeng Yan , Jie Luo , Xiu Li , Jayender Jagadeesan

Healthcare applications are inherently multimodal, benefiting greatly from the integration of diverse data sources. However, the modalities available in clinical settings can vary across different locations and patients. A key area that…

Computer Vision and Pattern Recognition · Computer Science 2025-09-04 Mohammed Amer , Mohamed A. Suliman , Tu Bui , Nuria Garcia , Serban Georgescu

Multimodal MRI provides critical complementary information for accurate brain tumor segmentation. However, conventional methods struggle when certain modalities are missing due to issues such as image quality, protocol inconsistencies,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-03 Runze Cheng , Xihang Qiu , Ming Li , Ye Zhang , Chun Li , Fei Yu

A capturing system with multispectral filter array (MSFA) technology is proposed for shortening the capture time and reducing costs. Therein, a mosaicked image captured using an MSFA is demosaicked to reconstruct multispectral images…

Image and Video Processing · Electrical Eng. & Systems 2018-07-05 Kazuma Shinoda , Maru Kawase , Madoka Hasegawa , Masahiro Ishikawa , Hideki Komagata , Naoki Kobayashi

Design-space dimensionality reduction is essential to mitigate the cost of high-fidelity simulation-based optimization, especially when dealing with high-dimensional geometric parameterizations. Traditional linear techniques, such as…

Optimization and Control · Mathematics 2025-07-23 Andrea Serani , Giorgio Palma , Jeroen Wackers , Domenico Quagliarella , Stefano Gaggero , Matteo Diez